INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21b4d334541551ccb2cbe644f890ecd552a15f7a17f067fc2a53e11561a8cb83', 
    'Ag7bWVBMEId3fiAYXD3nTOGuP3zzEi3/8vZLku4LoG4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)